Across
- 6. tubular structure connecting larynx, pharynx, & nose to the bronchi
- 7. air with carbon dioxide is pumped out of the lungs
- 9. sheet of muscles that lie across the bottom of the chest cavity
- 10. air with oxygen pulled into the lungs through the nose
- 11. sound box
- 13. consist of two, on either side of the heart
Down
- 1. branches of trachea
- 2. the gas brought into our bodies
- 3. the process of exchanging gases between the body & atmosphere
- 4. the gas that is a waste leaving the body
- 5. tiny grape-like sacs where gas exchange takes place
- 8. passageway for air and food
- 12. most external organ, entry point for air